Introducing the Stalward Premium Backing Boards - the perfect choice for preserving your valuable collectibles and documents. Each pack contains 50 current size backing boards, measuring 171x266mm, to provide sturdy support and protection for your items. Made with premium materials, these backing boards are designed to last for up to 100 years, ensuring long-term preservation for your cherished possessions. Whether you're storing photographs, comic books, or other memorabilia, these backing boards are a reliable choice for maintaining the condition and value of your collection. Invest in Stalward Premium Backing Boards for peace of mind and safeguard your items for years to come.